package com.atguigu;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
@WebServlet("/servlet2")
public class servlet2 extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //获得session对象
        HttpSession session = req.getSession();
        System.out.println(session.getId());
        System.out.println(session.isNew());
        //读取session中存储的用户名
        String username =(String) session.getAttribute("username");
        System.out.println("servlet2 got username: " + username);
    }
}
